*,
body,
:after,
:before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

ul,
ol,
li {
  list-style: none;
  margin: 0px;
  padding: 0px;
}

::-webkit-scrollbar {
  /*滚动条整体样式*/
  width: 10px; /*高宽分别对应横竖滚动条的尺寸*/
  height: 1px;
}
::-webkit-scrollbar-thumb {
  /*滚动条里面小方块*/
  border-radius: 10px;
  background: #cfcbcb;
}
::-webkit-scrollbar-track {
  /*滚动条里面轨道*/
  border-radius: 10px;
  background: #ededed;
}
